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-rw-r--r--firmware/target/arm/s5l8700/meizu-m6sp/powermgmt-m6sp.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/firmware/target/arm/s5l8700/meizu-m6sp/powermgmt-m6sp.c b/firmware/target/arm/s5l8700/meizu-m6sp/powermgmt-m6sp.c
new file mode 100644
index 0000000000..86b6e46b4d
--- /dev/null
+++ b/firmware/target/arm/s5l8700/meizu-m6sp/powermgmt-m6sp.c
@@ -0,0 +1,64 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright © 2008 Rafaël Carré
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22#include "config.h"
23#include "powermgmt.h"
24#include "adc.h"
25#include "adc-target.h"
26
27const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
28{
29 /* TODO: this is just an initial guess */
30 3400
31};
32
33const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
34{
35 /* TODO: this is just an initial guess */
36 3300
37};
38
39/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
40const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
41{
42 /* TODO: simple uncalibrated curve, linear except for first 10% */
43 { 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200 }
44};
45
46#if CONFIG_CHARGING
47/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
48const unsigned short percent_to_volt_charge[11] =
49{
50 /* TODO: simple uncalibrated curve, linear except for first 10% */
51 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200
52};
53#endif /* CONFIG_CHARGING */
54
55/* ADC should read 0x3ff=6.00V */
56#define BATTERY_SCALE_FACTOR 6000
57/* full-scale ADC readout (2^10) in millivolt */
58
59
60/* Returns battery voltage from ADC [millivolts] */
61unsigned int battery_adc_voltage(void)
62{
63 return (adc_read(ADC_BATTERY) * BATTERY_SCALE_FACTOR) >> 10;
64}